| channel.h (67652) | channel.h (70134) |
|---|---|
| 1/* 2 * Copyright (c) 1999 Cameron Grant <gandalf@vilnya.demon.co.uk> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 9 unchanged lines hidden (view full) --- 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * | 1/* 2 * Copyright (c) 1999 Cameron Grant <gandalf@vilnya.demon.co.uk> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 9 unchanged lines hidden (view full) --- 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * |
| 26 * $FreeBSD: head/sys/dev/sound/pcm/channel.h 67652 2000-10-26 20:46:58Z cg $ | 26 * $FreeBSD: head/sys/dev/sound/pcm/channel.h 70134 2000-12-18 01:36:41Z cg $ |
| 27 */ 28 | 27 */ 28 |
| 29#include "channel_if.h" 30 |
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| 29int chn_reinit(pcm_channel *c); 30int chn_write(pcm_channel *c, struct uio *buf); 31int chn_read(pcm_channel *c, struct uio *buf); 32u_int32_t chn_start(pcm_channel *c, int force); 33int chn_sync(pcm_channel *c, int threshold); 34int chn_flush(pcm_channel *c); 35int chn_poll(pcm_channel *c, int ev, struct proc *p); 36 --- 43 unchanged lines hidden (view full) --- 80#define CHN_F_NOTRIGGER 0x00000040 81 82#define CHN_F_BUSY 0x00001000 /* has been opened */ 83#define CHN_F_HAS_SIZE 0x00002000 /* user set block size */ 84#define CHN_F_NBIO 0x00004000 /* do non-blocking i/o */ 85#define CHN_F_INIT 0x00008000 /* changed parameters. need init */ 86#define CHN_F_MAPPED 0x00010000 /* has been mmap()ed */ 87#define CHN_F_DEAD 0x00020000 | 31int chn_reinit(pcm_channel *c); 32int chn_write(pcm_channel *c, struct uio *buf); 33int chn_read(pcm_channel *c, struct uio *buf); 34u_int32_t chn_start(pcm_channel *c, int force); 35int chn_sync(pcm_channel *c, int threshold); 36int chn_flush(pcm_channel *c); 37int chn_poll(pcm_channel *c, int ev, struct proc *p); 38 --- 43 unchanged lines hidden (view full) --- 82#define CHN_F_NOTRIGGER 0x00000040 83 84#define CHN_F_BUSY 0x00001000 /* has been opened */ 85#define CHN_F_HAS_SIZE 0x00002000 /* user set block size */ 86#define CHN_F_NBIO 0x00004000 /* do non-blocking i/o */ 87#define CHN_F_INIT 0x00008000 /* changed parameters. need init */ 88#define CHN_F_MAPPED 0x00010000 /* has been mmap()ed */ 89#define CHN_F_DEAD 0x00020000 |
| 90#define CHN_F_BADSETTING 0x00040000 |
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| 88 | 91 |
| 89 | |
| 90#define CHN_F_RESET (CHN_F_BUSY | CHN_F_DEAD) 91 92/* 93 * This should be large enough to hold all pcm data between 94 * tsleeps in chn_{read,write} at the highest sample rate. 95 * (which is usually 48kHz * 16bit * stereo = 192000 bytes/sec) 96 */ 97#define CHN_2NDBUFBLKSIZE (2 * 1024) 98/* The total number of blocks per secondary buffer. */ 99#define CHN_2NDBUFBLKNUM (32) 100/* The size of a whole secondary buffer. */ 101#define CHN_2NDBUFMAXSIZE (131072) | 92#define CHN_F_RESET (CHN_F_BUSY | CHN_F_DEAD) 93 94/* 95 * This should be large enough to hold all pcm data between 96 * tsleeps in chn_{read,write} at the highest sample rate. 97 * (which is usually 48kHz * 16bit * stereo = 192000 bytes/sec) 98 */ 99#define CHN_2NDBUFBLKSIZE (2 * 1024) 100/* The total number of blocks per secondary buffer. */ 101#define CHN_2NDBUFBLKNUM (32) 102/* The size of a whole secondary buffer. */ 103#define CHN_2NDBUFMAXSIZE (131072) |
| 104 105#define CHANNEL_DECLARE(name) static DEFINE_CLASS(name, name ## _methods, sizeof(struct kobj)) |
|